The last photo of Lomo MMU-3 / MMY-3 metallurgical microscope stand column holder with coarse focus rack fixed part of the ММУ-3 - Mikroskopteil
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Lomo MMU-3 / MMY-3 metallurgical microscope stand column holder with coarse focus rack - fixed part of the ММУ-3 focusing body
(Lomo MMU-3 / MMY-3 metallurgical microscope stand column holder with coarse focus rack - fixed part of the ММУ-3 focusing body)